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Abstract

Color gamut and color shifts of the film-compensated multi-domain in-plane-switching
(IPS) and multi-domain vertical alignment (MVA) liquid crystal displays (LCDs)
are calculated quantitatively using light-emitting diodes (LEDs) and cold-cathode
fluorescent lamp (CCFL) backlight. Simulation results indicate that the LED
backlight exhibits better angular color uniformity and smaller color shifts
than CCFL. In addition, the color gamut can be further widened and the color
shift reduced when using color-sequential RGB-LED backlight without color
filters. In general, both IPS and MVA LCDs show relatively small color shift
under different backlights, but MVA has a lower color shift using the optimized
uniaxial compensation films.

References

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